* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.averge {
    width: 28px;
    height: 28px;
}

.averge img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.container-outer {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100vh;
}

.container-inner {
    width: 52px;
    height: auto;
    min-height: 320px;
    transition: width 0.5s ease;
    overflow: hidden;
    background: linear-gradient(to right, #5cadff, #19be6b, #2d8cf0);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container-inner:hover {
    width: 180px;
}

.metainfo {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 8px 0;
    width: 100%;
    height: 44px;
}

.metainfo>section {
    display: none;
    font-size: 10px;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.container-inner:hover .metainfo {
    justify-content: flex-start;
    padding-left: 12px;
}

.container-inner:hover .metainfo>section {
    display: block;
}

.line {
    display: block;
    width: 36px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    margin: 4px 0;
    transition: all 0.5s;
}

.container-inner:hover .line {
    width: 160px;
    margin: 4px 12px;
}

.menu {
    width: 100%;
    padding: 0 8px;
}

.menu>p {
    width: 100%;
    margin-bottom: 12px;
    font-size: 11px;
    color: white;
    display: none;
}

.container-inner:hover .menu>p {
    display: block;
    text-align: left;
    padding-left: 4px;
}

.menu-item {
    display: flex;
    position: relative;
    transition: all 0.3s;
    border-radius: 6px;
    width: 100%;
    height: 32px;
    align-items: center;
    color: white;
}

.menu-item:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.menu-item .icon {
    width: 32px;
    height: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.menu-item .menu-metainfo {
    display: flex;
    align-items: center;
    width: 0;
    overflow: hidden;
    transition: width 0.5s;
    white-space: nowrap;
}

.container-inner:hover .menu-item .menu-metainfo {
    width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.menu-item .icon-info {
    padding-left: 6px;
    color: white;
    font-size: 10px;
}

.iconfont {
    font-size: 16px;
    color: white;
}